1230252243 has 16 divisors (see below), whose sum is σ = 1894720896. Its totient is φ = 701747840.

The previous prime is 1230252217. The next prime is 1230252259. The reversal of 1230252243 is 3422520321.

It is a cyclic number.

It is not a de Polignac number, because 1230252243 - 2⁵ = 1230252211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230252203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095921 + ... + 1097042.

It is an arithmetic number, because the mean of its divisors is an integer number (118420056).

Almost surely, 2^1230252243 is an apocalyptic number.

1230252243 is a deficient number, since it is larger than the sum of its proper divisors (664468653).

1230252243 is a wasteful number, since it uses less digits than its factorization.

1230252243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192994.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1230252243 is about 35074.9517889904. The cubic root of 1230252243 is about 1071.5145068418.

Adding to 1230252243 its reverse (3422520321), we get a palindrome (4652772564).

The spelling of 1230252243 in words is "one billion, two hundred thirty million, two hundred fifty-two thousand, two hundred forty-three".